Strona
6
z
16
Ex db
Protection of devices against ignition of dust by means of a "t" housing.
Explosives group
IIC
The device can be used in the presence of explosion hazard of gases,
vapours and mists of flammable liquids with air classified as explosion
group IIA, IIB or IIC.
IIIC
The device can be used in the presence of explosion hazard of
flammable dust and fibres belonging to the explosion groups IIIA, IIIB and
IIIC (all types of dust).
Temperature class
T4
The device is designed for use in hazardous areas of gases with a self-
ignition temperature of > 135°C.
Temperature
70°C
The device can be used in the presence of dust whose cloud auto-ignition
temperature is higher than 105
°C and the smouldering temperature of the
layer (5mm) is higher than 145
°C.
Explosion protection level
Gc
Equipment intended for installation in gas explosion hazard Zone 2 which
provides a 'normal level of safety' and which will not become a source of
ignition under normal conditions of use and during expected failure.
Db
Equipment intended for installation in dust explosion hazards 21, 22
which provides a "high level of safety" and which will not become a
source of ignition under normal conditions of use and during expected
damage.
3.
SAFETY
3.1 General precautions
DANGER:
THE EXPLOSION HAZARD CAUSED BY IMPROPER USE AND/OR ALTERATIONS
TO THE DEVICE CAN CAUSE SERIOUS OR FATAL INJURIES.
WARNING:
FAILURE TO COMPLY WITH THE REQUIREMENTS OF THIS MANUAL MAY VOID
THE MANUFACTURER'S WARRANTY.
WARNING:
FAILURE TO COMPLY WITH THE INSTALLATION AND USE RULES MAY RESULT
IN PERSONAL INJURY OR PROPERTY LOSS. THE MANUFACTURER IS NOT RESPONSIBLE
IN SUCH CASES.
Luminaires must be installed and maintained in accordance with the requirements of this manual and in accordance
with EN/IEC 60079-14 (current edition).
The Buyer and/or the End User must be aware of the hazards of the electrical, chemical and physical properties of gas,
vapours and dust present in the installation. Proper installation and maintenance in accordance with local and national
regulations, product specifications are the responsibility of the Buyer and/or the End User.
It is not allowed to use a partially damaged device.
WARNING:
MAKING ANY MODIFICATIONS TO THE DEVICE IS PROHIBITED.
WARNING:
BEFORE PERFORMING ANY ASSEMBLY OPERATIONS, INCLUDING OPENING
THE CASE, IT IS IMPERATIVE THAT THE DEVICE BE DISCONNECTED FROM THE POWER
SOURCE.